Their Secret Styles have been turned on. (Read Description)

Secret Styles is a paid DLC for Slime Rancher that allows all vanilla slimes (except Tarrs, Gordos, the Party Gordo and the Twinkle Slime) to express their true inner beauty. The Secret Styles are found in special Treasure Pods throughout the Far, Far Range.

[MTP]

The Mman:you guys just turned into your new forms.